Modules

Web frameworks

• express — A robust feature rich web development framework inspired by Sinatra
• coltrane — A try at a higher level library/framework for node.js web development
• vroom — A simple resource oriented web framework built on top of Node.js
• node-router — Simple Sinatra-like http server based on fu.js from the original node-chat demo.
• simplex
• (fab) — A chained DSL for building node.js apps
• Picard
• Nerve — Microframework with simple array-based syntax for defining an app on top of node.
• querystring.node.js — Robust query string parsing for node.
• nodemachine — A port of WebMachine to Node.js
• chain — An evented convention for building Node Applications
• oui — Web service server with great static files support
• js.io — Javascript Networking Library for building real-time web applications. Also see JS.io

Database

• redis-node-client — by Fictorial
• node-couch — a CouchDB connector
• node-tyrant — An implementation of the Tokyo Tyrant network protocol for the Node.js
• postgres-js — Postgres protocol implemented in pure JS
• persistence — Multi-backend database/nosql system. Currently has Sqlite3, Postgres and in-memory drivers.
• node_postgres — Beginning of bindings to libpg
• node.dbslayer.js – Interface to DBSlayer (MySQL)
• node-fleet — a FleetDB Client
• node-mongodb — Async interface to MongoDBm
• node-dirty — A key value store for node.js that is simple, fast & dirty.
• node-sqlite — Bindings for SQLite3. Interface conforms to the HTML5 Web SQL API.

Templating

• sass.js — Parses Sass templates and renders css.
• asyncEJS — Asynchronous implementation of embedded JavaScript
• haml-js — Server side html generation using javascript. Parses haml templates and renders html.
• tmpl-node — a feature-rich template module for node.js
• template.node.js — A light, fast, cached template module for node.
• JSON Template — Minimal but powerful template language with multiple implementations. This is the CommonJS version, tested on Node

Package Management Systems

• kiwi — Feature rich, fast, bash based package management
• node package manager

TCP / IP

• node-smtp — Implementation of the SMTP protocol in Node

OpenSSL / Crypto / Hashing

• node-crypto — OpenSSL based Hashing, Signing and Verifying
• hashlib — Fast hashing module, written in C/C++, supports: md4, md5, md6, sha, sha1, sha256, sha512

RPC

• bertrpc
• jsonrpc
• xmlrpc-c — Simple XMLRPC Client

Testing / Spec Frameworks

• spectacular — for testing
• jspec — Feature Rich BDD Testing Framework
• brevity.test — JavaScript unit testing framework.
• Speks — A specification framework for your node-code
• ntest — another unit testing framework

Web Sockets

• node.websocket.js — WebSocket-compatible server.
• node.ws.js — A basic Web Socket server with interface similar to tcp.createServer(…)
• nodejs-http-websocket — A websocket server on top of the http server.

Parsers

XML

• libxmljs — Bindings to libxml2
• node-xml — An xml parser for node.js

Command Line Option Parsers

• optparse-js — Option Parser in JS
• trollopjs — Another option parser

Other

• node-csv — Efficient Evented CSV Parsing.

Debugging / Console Utilities

• node_debug — HTTP based console and object explorer
• consolelog.js — stylized console logging for node.js
• log4js-node — a port of log4js framework for node.js

Other

• node.routes.js — A simple url router
• node-XMLHttpRequest
• Restler — Simplified REST client for Node.js
• soda.js — Asynchonous JavaScript module loader for client-side and Node.js
• Comet LongPollingBuffer — A Library to simplify the server side of Comet AJAX long polling
• node-flickr — A simple library to enable easy use of the flickr api
• flickrnode — An alternative library to enable use of the flickr api (not as complete as node-flickr, but supports auth)
• node-taglib — Beginnings of bindings to taglib
• eyes.js — A better, customizable value inspector for node.js
• limestone — Sphinx search server connector
• Wheres Waldo — track locations of users in redis
• Node-compatible Dojo fork
• node-paperboy — A node.js module for delivering static files
• awesome — A Redis clone in node.js
• node-amqp — Basic AMQP client
• azathoth — HTTP traffic/load generator and benchmark tool

CommonJS compatible modules that can be used with node.

• sass.js — Parses Sass templates and renders css.
• haml-js — Server side html generation using javascript. Parses haml templates and renders html.
• match-js — Simple pattern matching (functional style) in JS.
• datatypes-js — Byte encoding/decoding for typical datatypes in JS.
• qxoo — port of the qooxdoo OO system to commonJS
• email.js — Email generation and parsing in Javascript.
• underscore — Unobtrusive functional programming utility library.